C2 Communications, a subsidiary of C2 Global Technologies Inc., said on Thursday it had filed a law suit against seven big U.S. telecomm- unications providers saying the companies infringed its patent for Internet telephone services.
C2, a patent licensing company, said the suit. filed in a Texas court against AT&T Inc, Verizon Communications, BellSouth Corp, Qwest Communications International Inc, Sprint Nextel Corp Level 3 Communications Inc and Global Crossing Ltd.
Representatives from six of the telephone companies were not immediately available for comment and Global Crossing declined comment.
Copyright 2006 Reuters Limited.
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